I have Yamaha RX-V667 & need better speakers for Home theater(HT).Now if I give above choices,which can match better with Yamaha?S30 or 2020i?Which one can sound clean with good dynamics?a bit Better Bass?Godd for music too?

I will go for matching center once I select fronts.So pls.help me out as I am not getting Demo side by side with Yamaha.